Patents by Inventor Seok Ho JEONG

Seok Ho JEONG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250145793
    Abstract: A plasticizer composition includes 2-ethylhexyl(2-hydroxyethyl) terephthalate, di(n-butyl) terephthalate, (n-butyl)(2-ethylhexyl) terephthalate, and di(2-ethylhexyl) terephthalate, wherein the content of the 2-ethylhexyl(2-hydroxyethyl) terephthalate is 20 wt % or less, based on the total plasticizer composition, and when the plasticizer composition is applied to a resin, mechanical properties, migration resistance, and loss properties may be improved.
    Type: Application
    Filed: February 24, 2023
    Publication date: May 8, 2025
    Inventors: Hyun Kyu Kim, Eun Suk Kim, Seung Taek Woo, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20250052400
    Abstract: A lamp for a vehicle is provided. The lamp includes: a light source part; and a light guide part to guide the light input from the light source part and output the light. The light guide part includes: a guide body, to which the light irradiated from the light source part is input; an input surface, to which the light provided on one side of the guide body is input; a reflective surface to reflect the light in a forward direction; an output surface being a surface of an outer surface of the guide body, except for the input surface and the reflective surface, and being a surface to output the light; and a 3-dimensional light forming pattern formed in the guide body, and reflecting the light input to the guide body in a different direction from a direction of the light reflected by the reflective surface.
    Type: Application
    Filed: March 1, 2024
    Publication date: February 13, 2025
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventor: Seok Ho JEONG
  • Patent number: 12122895
    Abstract: Provided is a plasticizer composition, comprising: two or more kinds of terephthalates of the same carbon number type, wherein the carbon number of alkyl groups bonded to two ester groups is the same; and one or more kinds of terephthalates of a different carbon number type, wherein the carbon number of alkyl groups bonded to two ester groups is different, the different carbon number type comprises a higher alkyl and a lower alkyl, the higher alkyl is selected from alkyl groups having a carbon number of 8 or less, and the lower alkyl is selected from alkyl groups having a carbon number of 5 or more.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: October 22, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Jeong Ju Moon, Woo Hyuk Choi, Yun Ki Cho, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20240294733
    Abstract: The present invention is characterized by propane tricarboxylate wherein an alkyl group is derived from an isomer mixture of hexyl alcohol and benzyl alcohol, and when the propane tricarboxylate is applied to a resin, excellent migration resistance, volatile loss, and stress resistance as well as high plasticization efficiency may be obtained.
    Type: Application
    Filed: October 27, 2022
    Publication date: September 5, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Joo Ho KIM, Eun Suk KIM, Seok Ho JEONG, Seung Taek WOO
  • Publication number: 20240199845
    Abstract: The present invention is characterized by propane tricarboxylate, wherein an alkyl group is derived from an isomer mixture of hexyl alcohol, and when the propane tricarboxylate is applied to a resin, excellent tensile properties, elongation properties, migration resistance, volatile loss, and stress resistance as well as high plasticization efficiency may be obtained.
    Type: Application
    Filed: October 27, 2022
    Publication date: June 20, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Seok Ho JEONG, Eun Suk KIM, Joo Ho KIM, Seung Taek WOO
  • Publication number: 20240199846
    Abstract: The present invention is characterized by aconitate wherein an alkyl group is derived from an isomer mixture of hexyl alcohol, and when the propane tricarboxylate is applied to a resin, excellent migration resistance, volatile loss, and stress resistance as well as high plasticization efficiency may be obtained.
    Type: Application
    Filed: October 27, 2022
    Publication date: June 20, 2024
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Joo Ho KIM, Eun Suk KIM, Jeong Ju MOON, Seok Ho JEONG
  • Patent number: 11994711
    Abstract: Disclosed is a LED module. The LED module includes a cover part, a board part connected to a front side of the cover part, a light emitting part electrically connected to the board part, disposed on a front side of the board part, and that emits light through a side surface thereof, and a panel part disposed on the front side of the board part, and the panel part includes a light guide unit including a plurality of light output parts that guides and outputs light emitted from the side surface of the light emitting part.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: May 28, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Seok Ho Jeong, Jung Young Kim
  • Patent number: 11939453
    Abstract: A plasticizer composition including a citrate-based material and an epoxidized oil, and the plasticizer composition capable of maintaining an excellent plasticization efficiency and providing an improved mechanical properties and stress resistance when compared with conventional phthalate-based plasticizer products.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Seok Ho Jeong, Jeong Ju Moon, Woo Hyuk Choi
  • Patent number: 11885471
    Abstract: A lamp for a vehicle that includes a board part, a light source part disposed on an upper surface of the board part and including a plurality of light sources that irradiate light, a lens part installed to surround the light source part and disposed on an upper side of the board part, and a reflection part installed on an upper side of the board part, and including a reflective surface that reflects the light irradiated from the light source part to change a travel path of the light, and the reflective surface contacts the lens part and phosphor is deposited thereon.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: January 30, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Seok Ho Jeong, Sung Won Yang
  • Publication number: 20240002634
    Abstract: A plasticizer composition including isophthalate derived from a mixture of hexyl alcohol isomers and di(2-ethylhexyl) terephthalate, and a resin composition comprising the same are provided. The plasticizer composition used in the resin composition provides the same level of or improved plasticization efficiency, migration loss and volatile loss, and improved tensile strength and elongation rate.
    Type: Application
    Filed: November 23, 2021
    Publication date: January 4, 2024
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Eun Suk KIM, Seung Taek WOO, Woo Hyuk CHOI
  • Patent number: 11851547
    Abstract: A plasticizer composition which includes a lower non-hybrid-type cyclohexane triester, a lower hybrid-type cyclohexane triester, a higher hybrid-type cyclohexane triester, and a higher non-hybrid-type cyclohexane triester, wherein the alkyl groups of the cyclohexane triesters are a combination of C3-C6 alkyl groups and C7-C10 alkyl groups. When the plasticizer composition is applied to a resin, stress resistance and mechanical properties are maintained at an equivalent level or improved, migration properties, volatile loss characteristics, and plasticization efficiency are balanced, and light resistance and heat resistance are significantly improved.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: December 26, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong, Woo Hyuk Choi
  • Publication number: 20230407049
    Abstract: The present disclosure is characterized in comprising an isophthalate-based composition and a citrate-based composition, wherein the isophthalate-based composition comprises di(2-ethylhexyl) isophthalate, hexyl(2-ethylhexyl) isophthalate and dihexyl isophthalate, the citrate-based composition comprises trihexyl citrate, and the hexyl group of the isophthalate and the hexyl group of the citrate are derived from an isomer mixture of hexyl alcohols. If the composition is applied to a resin, migration resistance and stress resistance may be improved, and on the other hand, mechanical properties may be improved.
    Type: Application
    Filed: January 28, 2022
    Publication date: December 21, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Eun Suk KIM, Seung Taek WOO, Woo Hyuk CHOI
  • Publication number: 20230374263
    Abstract: The present invention relates to a triester-based plasticizer composition characterized in comprising a product derived from the esterification of a hexanoic acid isomer mixture and a trihydric alcohol, wherein the degree of branching of the hexanoic acid isomer mixture is 2.0 or less. If the plasticizer composition is applied to a resin, migration resistance and volatile loss may be maintained to equal levels, and mechanical properties, absorption rate, stress migration and plasticization efficiency may be markedly improved in contrast to a case applying the conventional plasticizer.
    Type: Application
    Filed: June 22, 2022
    Publication date: November 23, 2023
    Inventors: Hyun Kyu Kim, Joo Ho Kim, Woo Hyuk Choi, Jeong Ju Moon, Seok Ho Jeong
  • Publication number: 20230365780
    Abstract: The present disclosure is characterized in comprising a terephthalate-based composition and a citrate-based composition, wherein the terephthalate-based composition comprises di(2-ethylhexyl) terephthalate, hexyl(2-ethylhexyl) terephthalate and dihexyl terephthalate, the citrate-based composition comprises trihexyl citrate, and the hexyl group of the terephthalate and the hexyl group of the citrate are derived from an isomer mixture of hexyl alcohols. If the composition is applied to a resin, migration resistance and stress resistance may be improved, and on the other hand, mechanical properties may be improved.
    Type: Application
    Filed: January 28, 2022
    Publication date: November 16, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Joo Ho KIM, Seok Ho JEONG, Eun Suk KIM, Woo Hyuk CHOI
  • Patent number: 11815236
    Abstract: A light emitting diode (LED) module and a vehicle including the same, the LED module including a cover part, a substrate part connected to a front side of the cover part, a light emitting part that is electrically connected to the substrate part, is disposed in front of the substrate part, and emits light through a side surface thereof, and a lens part surrounding the side surface of the light emitting part and disposed in front of the substrate part, wherein the lens part has a fine protrusion shape on an outer surface thereof.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: November 14, 2023
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Seok Ho Jeong, Jung Young Kim
  • Publication number: 20230340228
    Abstract: The present invention is characterized in including a dihexyl benzene dicarboxylate having an alkyl group derived from an isomer mixture of hexyl alcohol, in the case of applying to a resin, stress resistance and mechanical properties may be maintained to the same or higher levels, and plasticization efficiency may be markedly improved while maintaining the balance among tensile strength, elongation rate and migration resistance.
    Type: Application
    Filed: November 23, 2021
    Publication date: October 26, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Hyun Kyu KIM, Joo Ho KIM, Woo Hyuk CHOI, Jeong Ju MOON, Seok Ho JEONG
  • Patent number: 11795299
    Abstract: Provided is a plasticizer composition including a cyclohexane-1,2-diester-based material of Formula 1 and a trimellitate-based material of Formula 2: wherein in Formula 1 and Formula 2, R1 to R5 are each independently an alkyl group of 8 to 10 carbon atoms.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: October 24, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Woo Hyuk Choi, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20230331955
    Abstract: A plasticizer composition including isophthalate derived from a mixture of hexyl alcohol isomers and di(2-ethylhexyl) isophthalate, and a resin composition comprising the same are provided. The plasticizer composition used in the resin composition provides the same level of or improved plasticization efficiency, migration loss and volatile loss, and improved tensile strength and elongation rate.
    Type: Application
    Filed: November 23, 2021
    Publication date: October 19, 2023
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG, Eun Suk KIM, Seung Taek Woo, Woo Hyuk CHOI
  • Publication number: 20230304641
    Abstract: A light emitting diode (LED) module and a vehicle including the same, the LED module including a cover part, a substrate part connected to a front side of the cover part, a light emitting part that is electrically connected to the substrate part, is disposed in front of the substrate part, and emits light through a side surface thereof, and a lens part surrounding the side surface of the light emitting part and disposed in front of the substrate part, wherein the lens part has a fine protrusion shape on an outer surface thereof.
    Type: Application
    Filed: December 8, 2022
    Publication date: September 28, 2023
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Seok Ho JEONG, Jung Young KIM
  • Patent number: 11767420
    Abstract: A plasticizer composition and a resin composition including the plasticizer composition. The resin composition addresses limitations associated with conventional plasticizers by improving various properties such as plasticization efficiency and mechanical properties including migration properties, volatile loss, tensile strength and elongation rate. The plasticizer composition is also capable of improving properties such as elongation retention and cold tolerance.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: September 26, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong